v1.49.3

What's Changed

• feat: register deepseek-v4.1-flash as a verified model by @juanmichelini in #4940
• fix(agent-server): expose Docker host gateway by @neubig in #5164
• fix(tests): track upstream reasoning_effort support for kimi-k2.5 by @simonrosenberg in #5183
• Add newly released LLM models to verified lists by @all-hands-bot in #5185
• docs(codereview): preserve design context for deep PRs by @smolpaws in #4946
• fix(workspace): preserve caller's AgentContext in load_skills_from_agent_server() by @vnktadithya in #4876
• docs(review): consolidate SDK review checkpoints by @neubig in #5176
• fix(sdk): stamp the output item id on Responses stream deltas by @VascoSch92 in #5204
• chore: remove merged PR artifacts by @all-hands-bot in #5202
• fix(agent-server): use MCP OAuth credentials passed inline on the agent by @hieptl in #5078
• Release v1.49.3 by @all-hands-bot in #5166

Full Changelog: v1.49.2...v1.49.3